import "reflect-metadata"
import {
    closeTestingConnections,
    createTestingConnections,
    reloadTestingDatabases,
} from "../../utils/test-utils"
import { Author } from "./entity/Author"
import { Photo } from "./entity/Photo"
import { DataSource } from "../../../src/data-source/DataSource"
import { PhotoMetadata } from "./entity/PhotoMetadata"
import { expect } from "chai"

describe("github issue > #1416 Wrong behavior when fetching an entity that has a relation with its own eager relations", () => {
    let connections: DataSource[] = []
    before(
        async () =>
            (connections = await createTestingConnections({
                entities: [__dirname + "/entity/*{.js,.ts}"],
                enabledDrivers: ["mysql"],
            })),
    )
    beforeEach(() => reloadTestingDatabases(connections))
    after(() => closeTestingConnections(connections))

    it("should load eager relations of an entity's relations recursively", () =>
        Promise.all(
            connections.map(async (connection) => {
                const metadata = new PhotoMetadata()
                metadata.height = 640
                metadata.width = 480
                metadata.compressed = true
                metadata.comment = "cybershoot"
                metadata.orientation = "portait"
                await connection.manager.save(metadata)

                const photo = new Photo()
                photo.name = "Me and Bears"
                photo.description = "I am near polar bears"
                photo.filename = "photo-with-bears.jpg"
                photo.isPublished = true
                photo.metadata = metadata
                await connection.manager.save(photo)

                let photoAuthor = new Author()
                photoAuthor.name = "John Doe"
                photoAuthor.photos = [photo]
                await connection.manager.save(photoAuthor)

                const author = (await connection.manager.findOne(Author, {
                    where: {
                        name: photoAuthor.name,
                    },
                    relations: { photos: true },
                })) as Author
                expect(author).not.to.be.null
                expect(author.photos[0]).not.to.be.undefined
                expect(author.photos[0]).to.eql(photo)
                expect(author.photos[0].metadata).not.to.be.undefined
                expect(author.photos[0].metadata).to.eql(metadata)
            }),
        ))
})
